package day015.map;

import java.util.LinkedHashMap;

public class LinkedHashMapTest {
    public static void main(String[] args) {
        LinkedHashMap<Integer, String> linkedHashMap = new LinkedHashMap<>();

        linkedHashMap.put(1, "张三");
        linkedHashMap.put(1, "李四");
        linkedHashMap.put(2, "王五");
        linkedHashMap.put(3, "赵六");

        System.out.println(linkedHashMap);
    }
}
